$ git clone -n https://src.fedoraproject.org/rpms/php-facedetect.git /var/lib/mock/f40-build-791144-137124/root/chroot_tmpdir/scmroot/php-facedetect
Cloning into '/var/lib/mock/f40-build-791144-137124/root/chroot_tmpdir/scmroot/php-facedetect'...
$ git fetch origin 84dd21813cd8840073f9a7fa3b3b558aed82e39e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-facedetect
 * [new ref]         84dd21813cd8840073f9a7fa3b3b558aed82e39e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84dd218 Rebuild for opencv 4.9.0